Citronella Bark Correction: The PetSafe Citronella Spray Can Refill offers a gentle, safe pet spray solution that interrupts nuisance barking with a non-offensive fragrance and harmless distraction Durable Eco-Friendly Formula: Environmentally and ozone-friendly refill with stain-free design for long-lasting, portable bark control support Easy Replacement Canister: Quick, no mess replacement solution with up to 400 sprays per can; compatible with PetSafe Elite Little Dog Spray Bark Control Collar Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families